Results 111 to 120 of about 60,436 (303)

Economic activity during extreme events

open access: yesCanadian Journal of Economics/Revue canadienne d'économique, EarlyView.
Abstract Although extreme weather events, natural disasters or infrastructure failures potentially have important economic effects, quantifying these effects over small areas and fine time intervals has been difficult because of the fairly coarse scales available in most data sources. This paper surveys the use of relatively new and finely grained data
John W. Galbraith
wiley   +1 more source

Application of theory to propeller design [PDF]

open access: yes
The various theories concerning propeller design are discussed. The use of digital computers to obtain specific blade shapes to meet appropriate flow conditions is emphasized. The development of lifting-line and lifting surface configurations is analyzed.
Cox, G. G., Morgan, W. B.
core   +1 more source

Behind the Curtain: COVID‐19 as a Lens to Precarity in Museum Labor

open access: yesCurator: The Museum Journal, EarlyView.
ABSTRACT Using in‐depth interviews with emerging and early professional museum workers in New Orleans, Louisiana, this article expands on scholarship around the perceived and actual value of nonprofit labor. It adds qualitative support to the argument that museum labor is real labor—open to exploitation and abuse while constantly negotiated internally ...
Miriam Taylor Fair
wiley   +1 more source

TKP-Net: A Three Keypoint Detection Network for Ships Using SAR Imagery

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Remote-sensing ship monitoring is a crucial area of research with key applications in military and civilian fields. The ability to extract information, such as ship length, width, and heading from remote-sensing data, particularly from synthetic aperture
Xiunan Li   +7 more
doaj   +1 more source

Sectoral Adaptation and Strategic Resilience: The Impact of Sanctions on Russian Corporate Performance (2014–2021)

open access: yesEconomics of Transition and Institutional Change, EarlyView.
ABSTRACT We examine the sectoral impact of Western sanctions on Russian corporate performance from 2014 to 2021 using a panel of listed nonfinancial firms. Applying continuous‐time heterogeneous treatment models and difference‐in‐differences estimators, we document persistent divergence across sectors: The energy sector exhibits sustained ...
Eugene Nivorozhkin
wiley   +1 more source

China inside out: Explaining silver flows in the triangular trade, c. 1820s‒70s

open access: yesThe Economic History Review, EarlyView.
Abstract This paper analyses a new large dataset of silver prices, as well as silver and merchandise trade flows in and out of China in the crucial decades of the mid‐nineteenth century when the Empire was opened to world trade. Silver flows were associated with the interaction between heterogeneous monetary preferences and availability of specific ...
Alejandra Irigoin   +2 more
wiley   +1 more source

A Review of Coronagraphic Observations of Shocks Driven by Coronal Mass Ejections

open access: yes, 2009
The existence of shocks driven by Coronal Mass Ejections (CMEs) has always been assumed based on the superalfvenic speeds for some of these events and on indirect evidence such as radio bursts and distant streamer deflections.
Angelos Vourlidas   +3 more
core   +1 more source

The cost of the consumer revolution: Prices, material living standards, and real inequality in Amsterdam (1630‒1805)

open access: yesThe Economic History Review, EarlyView.
Abstract This article measures the cost of the early modern consumer revolution through a quantitative analysis of product and process innovations in Amsterdam and examines their variegated social impact in two distinct datasets of probate inventories.
Bas Spliet, Anne E. C. McCants
wiley   +1 more source

Laser Transmission Characteristics of Wake Bubble Curtain

open access: yes水下无人系统学报
In the process of navigation, the ship will produce the wake region, and the scattering phenomenon occurs when the laser passes through the wake region of the bubble. Through the detection and analysis of the scattered light, the ship can be detected and
Guijin JIAO   +4 more
doaj   +1 more source

Seismotectonic, structural, volcanologic, and geomorphic study of New Zealand; indigenous forest assessment in New Zealand; mapping, land use, and environmental studies in New Zealand, volume 2 [PDF]

open access: yes
The author has identified the following significant results. Ship detection via LANDSAT MSS data was demonstrated. In addition, information on ship size, orientation, and movement was obtained.
Mcgreevy, M. G.   +3 more
core   +1 more source

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